.ol_loading
{
    width: 7%;
    height: 31px;
    background: url('../images/loading.gif') no-repeat center center;
    display: none;
    position: absolute;
    top: -7px;
    left: 0px;
}
.ol_loading_mask
{
    height: 100%;
    width: 100%;
    position: absolute;
    top: 0px;
    left: 0px;
    background-color: #fff;
    opacity: 0.6;
    filter: alpha(opacity = 60);
    display: none;
}
